MTPyroger/pyrogram/client/ext/syncer.py

88 lines
2.2 KiB
Python

# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import logging
import time
from threading import Thread, Event, Lock
log = logging.getLogger(__name__)
class Syncer:
INTERVAL = 20
clients = {}
thread = None
event = Event()
lock = Lock()
@classmethod
def add(cls, client):
with cls.lock:
cls.sync(client)
cls.clients[id(client)] = client
if len(cls.clients) == 1:
cls.start()
@classmethod
def remove(cls, client):
with cls.lock:
cls.sync(client)
del cls.clients[id(client)]
if len(cls.clients) == 0:
cls.stop()
@classmethod
def start(cls):
cls.event.clear()
cls.thread = Thread(target=cls.worker, name=cls.__name__)
cls.thread.start()
@classmethod
def stop(cls):
cls.event.set()
@classmethod
def worker(cls):
while True:
cls.event.wait(cls.INTERVAL)
if cls.event.is_set():
break
with cls.lock:
for client in cls.clients.values():
cls.sync(client)
@classmethod
def sync(cls, client):
try:
start = time.time()
client.storage.save()
except Exception as e:
log.critical(e, exc_info=True)
else:
log.info('Synced "{}" in {:.6} ms'.format(
client.storage.name,
(time.time() - start) * 1000
))